training specialists to the upstream oil and gas industry
 
 

Nuclear Magnetic Resonance Petrophysics

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Course overview

More than 60 years ago Archie said “If it were possible to measure the fundamental properties (exact pore size and fluid distribution) in situ of formations penetrated by the bore hole, the volume of the hydrocarbon in place and the productivity of the could be calculated. However, it is practically impossible as yet to get a direct measurement of the factor, porosity, permeability, hydrocarbon saturation, and thickness of the layer in place by coring or other physical measurements”.

Modern NMR makes Archie’s dream possible both as a laboratory and downhole measurement. Interestingly, the results are “non-Archie”, which means NMR provides a measure of rock properties independent of other techniques.

An independent realisation of rock properties, for comparison with conventional sources, either validates results or shows where discrepancies occur. In both cases, NMR provides a tool for recognising and/or reducing uncertainty. Clearly, NMR data completes the formation evaluation story; without the independent benchmark the story is too often incomplete.

NMR also bridges disciplines because it provides the geometrical configuration of the pore system to link with sedimentological, petrophysical and engineering information. Consequently, NMR provides answers for an independent, single-well interpretation, and a foundation for predicting rock properties into the geological model.

The course is designed for

  • Geoscientists
  • Reservoir Engineers

Course objectives

This 5-day NMR Petrophysics course will provide all geoscientists and engineers with a basic to intermediate skill-level for using NMR data in reservoir characterisation workflows.  Course design is a balance between information transfer, discussion, training and practical exercise. The expectation is that participants will return to their jobs with the skill-set: 

  • When to use NMR, and when not to use it
  • Plan logging jobs with contractor and/or colleagues
  • Plan NMR core analysis jobs
  • Assemble NMR core data and interrogate the results
  • Understand how to use core data for calibration
    • Understand the composition of contractor’s deliverable
    • Review NMR log quality
    • Understand the procedure for processing raw NMR log data
    • Know how to use the contractor’s deliverable

Course outline

Training Exercises

  • NMR signature from oil- and water-based muds
  • Designing an NMR core analysis job
  • Working with raw NMR core data (Time-domain)
  • Working with processed NMR core data (T2-domain)
  • Core-to-log calibration
  • NMR rock typing
  • Learning log-curve mnemonics
  • Planning an NMR logging program (logging on paper)
  • LQC
  • Working with log data

Introduction - How, why and when NMR works


Pore Geometry


NMR Core Analysis


Rock Typing


Introduction to NMR Logs (Focus on wireline tools)


Job Planning


Preparing for Log Interpretation: LQC


Special Applications: Wettability, Gas, Heavy Oil and Fluid Typing


 

Location Start Date End Date Cost Trainer Book
Kuala Lumpur 11 Sep 2017 15 Sep 2017 £2,950 Paul Basan
Perth 25 Sep 2017 29 Sep 2017 £2,950 Paul Basan

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